com.hazelcast.spi.partition.MigrationEndpoint Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2018, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.spi.partition;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
/**
* Denotes endpoint of a migration.
*/
public enum MigrationEndpoint {
/**
* Denotes old owner of a partition replica
*/
SOURCE(0),
/**
* Denotes new owner of a partition replica
*/
DESTINATION(1);
private final byte code;
MigrationEndpoint(int code) {
this.code = (byte) code;
}
public static void writeTo(MigrationEndpoint endpoint, DataOutput out) throws IOException {
out.writeByte(endpoint.code);
}
public static MigrationEndpoint readFrom(DataInput in) throws IOException {
byte code = in.readByte();
return code == 0 ? SOURCE : DESTINATION;
}
}